SUPPLEMENT. 
Genera and their Authors—continued. 
Astrapa, Lindley. 
Astrocaryum, G. W. Meyer. 
Astroloma, R. Brown. 
Asystasia, Blume. 
Atalantia, Correa. 
Athamanta, Linneus. 
Athanasia, Linnzus. 
Atherosperma, Labillardiére. 
Athrixia, Ker. 
Athrotaxis, Don. 
Atragene, Linnzus. 
Atriplex, Linnzus. 
Atropa, Linnzus. 
Attalea, Humboldt, Bonpland, and 
Kunth. 
Aubrietia, Adanson. 
Aucuba, Thunberg. 
Audouinia, Brongniart. 
Aulax, Bergius. 
Avena, Linnzeus. 
Averrhoa, Linnzus. 
Azalea, Linnzus. 
Azara, Ruiz and Pavon. 
Babiana, Ker. 
Babingtonia, Lindley. 
Baccharis, Linnzus. 
Backhousia, Hooker and Harvey. 
Bactris, Jacquin. 
Bacularia, F. Mueller. 
Bza, Commerson. 
Beckea, Linnzus. 
Beria, Fischer and Meyer. 
Bahia, Lagasca. 
Balbisia, Cavanilles. 
Balsamodendron, Kunth. 
Bambusa, Schreber. 
Banisteria, Linnezus. 
Banksia, Linneus, jun. 
Baphia, Afzelius. 
Baptisia, Ventenat. 
Barbacenia, Vandelli. 
Barbarea, Brown. 
Barbieria, De Candolle. 
Barkeria, Knowles and Westcott. 
Barklya, F. Mueller. 
Barleria, Linnzus. 
Barnadesia, Mutis. 
Barosma, Willdenow. 
Barringtonia, Forster. 
Bartonia, Sims. 
Basella, Linnzus. 
Bassia, Linnzeus. 
Batatas, Choisy. 
Batemannia, Lindley. 
Bauera, Banks. 
Bauhinia, Linnzus. 
Beaucarnea, Lemaire. 
Beaufortia, R. Brown. 
Beaumontia, Wallich. 
Bedfordia, De Candolle. 
Befaria, Mutis. 
Begonia, Linnzus. 
Bellevalia, Lapeyrouse. 
Bellidiastrum, Micheli. 
Bellis, Linnzus. 
Bellium, Linnzus. 
Beloperone, Nees. 
Benthamia, Lindley. 
Berardia, Villars. 
Berberidopsis, J. D. Hooker. 
Berberis, Linnzus. 
Vol. IV. 
Berchemia, Necker. 
Bergera, Keenig. 
Berkheya, Ehrhart. 
Bertholletia, Humboldt and Bonpland. 
Bertolonia, Raddi. 
Berzelia, Brongniart. 
Beschorneria, Kunth. 
Besleria, Linneus. 
Bessera, Schultz. 
Beta, Linnzeus. 
Betula, Linnzus. 
Biarum, Schott. 
Bidens, Linnzeus. 
Biebersteinia, Stephan. 
Bifrenaria, Lindley. 
Bigelovia, De Candolle. 
Bignonia, Linnzeus. 
Billardiera, Smith. 
Billbergia, Thunberg. 
Biophytum, De Candolle. 
Biscutella, Linnzus. 
Bivonza, De Candolle. 
Bixa, Linnzeus. 
Bleria, Linnzus. 
Blakea, Linnzeus. 
Blandfordia, Smith. 
Blechnum, Linnzus. 
Blechum, P. Browne. 
Blepharis, Jussieu. 
Blephilia, Rafinesque. 
Bletia, Ruiz and Payvon. 
Blumenbachia, Schrader. 
Bobartia, Ker. 
Bocconia, Linnzus. 
Beebera, Willdenow. 
Beehmeria, Jacquin. 
Boletus, Dillenius. 
Boleum, Desvaux. 
Boltonia, L’ Héritier. 
Bomarea, Mirbel. 
Bombax, Linnzeus. 
Bonatea, Willdenow. 
Bongardia, C. A. Meyer. 
Bonnaya, Link and Otto. 
Bonnetia, Martius and Zuccarini. 
Borago, Linnzus. 
Borassus, Linnzeus. 
Borbonia, Linnzeus. 
Boronia, Smith. 
Borreria, G. F. W. Meyer. 
Boscia, La Marck. 
Bossiwa, Ventenat. 
Boswellia, Roxburgh. 
Botrychium, Swartz. 
Boucerosia, Wight and Arnott. 
Bouchea, Chamisso. 
Bougainvillea, Spach. 
Boussingaultia, Humboldt, Bonpland, 
and Kunth. 
Bouvardia, Salisbury. 
Bowenia, Hooker. 
Bowiea, Harvey. 
Brabeium, Linnzus. 
Brachychiton, Schott. 
Brachycome, Cassini. 
Brachylena, R. Brown. 
Brachyotum, Triana. 
Brachysema, R. Brown. 
Brachyspatha, Schott. 
Brachystelma, R. Brown. 
Brahea, Martius. 
Brainea, Hooker. 
Brassavola, R. Brown. 
Brassia, R. Brown. 
Brassica, Linnzeus. 
Bravoa, Llave. 
Bredia, Blume. 
Brexia, Thouars. 
Brillantaisia, Palisot de Beauvois. 
Briza, Linnezus. 
Brodizxa, Smith. 
Bromelia, Linnzeus. 
Bromheadia, Lindley. 
Bromus, Linnzus. 
Brongniartia, Humboldt, 
and Kunth. 
Brosimum, Swartz. 
Broughtonia, R. Brown. 
Broussonetia, Ventenat. 
Browallia, Linnzeus. 
Brownea, Jacquin. 
Brownlowia, Roxburgh. 
Brucea, Miller. 
Brunfelsia, Linnzeus. 
Brunia, Linnzus. 
Brunonia, Smith. 
Brunsvigia, Heister. 
Brya, P. Browne. 
Bryanthus, Gmelin. 
Bryonia, Linnzus. 
Bryophyllum, Salisbury. 
Bucklandia, Brown. 
Buddleia, Linnzens. 
Buettneria, Linnzus. 
Bulbine, Linnzus. 
Bulbocodium, Linnzus. 
Bulbophyllum, Thouars. 
Bunchosia, L. C. Richard. 
Buphthalmum, Linneus. 
Bupleurum, Linnus. 
Burbidgea, J. D. Hooker. 
Burchardia, R. Brown. 
Burchellia, R. Brown. 
Burlingtonia, Lindley. 
Bursaria, Cavanilles. 
Bursera, Linnzus. 
Burtonia, R. Brown. 
Butea, Roxburgh. 
Butomus, Linnzus. 
Buxus, Linnzeus. 
Byrsonima, L. C. Richard. 
Bystropogon, L’Héritier. 
Bonpland, 
Cabomba, Aublet. 
Cacalia, Linnzeus. 
Cacoucia, Aublet. 
Cwxsalpinia, Linneus. 
Cajanus, De Candolle. 
Cakile, Geertner. 
Caladenia, R. Brown. 
Caladium, Ventenat. 
Calamagrostis, Adanson. 
Calamintha, Moench. 
Calamus, Linnzus, 
Calandrinia, Humboldt, Bonpland, and 
Kunth. 
Calanthe, R. Brown. 
Calathea, G. F. W. Meyer. 
Calceolaria, Linnzus. 
Caldecluvia, Don. 
Calea, Linnzeus. 
Caleana, R. Brown. 
Calectasia, R. Brown. 
Calendula, Linneus. 
Caliphruria, Herbert. 
